remove local presets folder & replace with internal operator presets

add_mesh_BoltFactory/Boltfactory.py

add_mesh_BoltFactory/preset_utils.py

add_mesh_BoltFactory/presets/M10.py

add_mesh_BoltFactory/presets/M12.py

add_mesh_BoltFactory/presets/M3.py

add_mesh_BoltFactory/presets/M4.py

add_mesh_BoltFactory/presets/M5.py

add_mesh_BoltFactory/presets/M6.py

add_mesh_BoltFactory/presets/M8.py

presets/operator/mesh.bolt_add/default.py

presets/operator/mesh.bolt_add/m10.py

presets/operator/mesh.bolt_add/m12.py

presets/operator/mesh.bolt_add/m3.py

presets/operator/mesh.bolt_add/m4.py

presets/operator/mesh.bolt_add/m5.py

presets/operator/mesh.bolt_add/m6.py

presets/operator/mesh.bolt_add/m8.py